1981711872

素因数分解:

$2^9\times 3^3\times 7^1\times {\mathrm{20479}}^1$

素因数の和:20513

約数の個数: 160

約数和(自身を含む): 6704332800

約数和(自身を除く): 4722620928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 512, 576, 672, 756, 768, 864, 896, 1008, 1152, 1344, 1512, 1536, 1728, 1792, 2016, 2304, 2688, 3024, 3456, 3584, 4032, 4608, 5376, 6048, 6912, 8064, 10752, 12096, 13824, 16128, 20479, 24192, 32256, 40958, 48384, 61437, 81916, 96768, 122874, 143353, 163832, 184311, 245748, 286706, 327664, 368622, 430059, 491496, 552933, 573412, 655328, 737244, 860118, 982992, 1105866, 1146824, 1290177, 1310656, 1474488, 1720236, 1965984, 2211732, 2293648, 2580354, 2621312, 2948976, 3440472, 3870531, 3931968, 4423464, 4587296, 5160708, 5242624, 5897952, 6880944, 7741062, 7863936, 8846928, 9174592, 10321416, 10485248, 11795904, 13761888, 15482124, 15727872, 17693856, 18349184, 20642832, 23591808, 27523776, 30964248, 31455744, 35387712, 36698368, 41285664, 47183616, 55047552, 61928496, 70775424, 73396736, 82571328, 94367232, 110095104, 123856992, 141550848, 165142656, 220190208, 247713984, 283101696, 330285312, 495427968, 660570624, 990855936, 1981711872]

約数ペア:

[(1, 1981711872), (2, 990855936), (3, 660570624), (4, 495427968), (6, 330285312), (7, 283101696), (8, 247713984), (9, 220190208), (12, 165142656), (14, 141550848), (16, 123856992), (18, 110095104), (21, 94367232), (24, 82571328), (27, 73396736), (28, 70775424), (32, 61928496), (36, 55047552), (42, 47183616), (48, 41285664), (54, 36698368), (56, 35387712), (63, 31455744), (64, 30964248), (72, 27523776), (84, 23591808), (96, 20642832), (108, 18349184), (112, 17693856), (126, 15727872), (128, 15482124), (144, 13761888), (168, 11795904), (189, 10485248), (192, 10321416), (216, 9174592), (224, 8846928), (252, 7863936), (256, 7741062), (288, 6880944), (336, 5897952), (378, 5242624), (384, 5160708), (432, 4587296), (448, 4423464), (504, 3931968), (512, 3870531), (576, 3440472), (672, 2948976), (756, 2621312), (768, 2580354), (864, 2293648), (896, 2211732), (1008, 1965984), (1152, 1720236), (1344, 1474488), (1512, 1310656), (1536, 1290177), (1728, 1146824), (1792, 1105866), (2016, 982992), (2304, 860118), (2688, 737244), (3024, 655328), (3456, 573412), (3584, 552933), (4032, 491496), (4608, 430059), (5376, 368622), (6048, 327664), (6912, 286706), (8064, 245748), (10752, 184311), (12096, 163832), (13824, 143353), (16128, 122874), (20479, 96768), (24192, 81916), (32256, 61437), (40958, 48384)]